Solar cell



FIG. 1 is a top perspective view of a solar cell according to our newdesign;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right-side view thereof, the left side view being a mirrorimage; and,

FIG. 7 is an enlarged view of a portion of FIG. 1.

The broken lines in the drawings represent environmental subject matterand form no part of the claimed design.

CLAIM The ornamental design for a solar cell, as shown and described.